If a dishwasher pod remains after a cycle, note whether the dispenser door stayed shut, opened onto a blocked tray, or released the pod into a dry tub. Remove any tall utensil or dish that blocks the lid, dry the cup before loading a fresh pod, and choose a full wash rather than a short cycle. If the tub barely fills, the spray arms do not move freely, or the lid repeatedly fails to open, arrange diagnosis.
Pod stays in a closed cup Likely cause: Dispenser lid blocked by a dish, stuck latch, control, or dispenser fault. Homeowner action: Reload so the lid opens freely; note whether it opens on the next cycle.
Pod is sticky in an open cup Likely cause: Damp dispenser, old detergent, or weak water spray. Homeowner action: Dry the cup and try a fresh pod on a full cycle.
Pod falls into the tub intact Likely cause: Short cycle, cold or low water, blocked spray path, or old pod. Homeowner action: Check cycle choice, water fill, and spray-arm rotation.
Only the top rack is dirty Likely cause: Upper spray arm blocked or poorly seated, rack loading, or circulation issue. Homeowner action: Reseat the rack and clear arm travel without disassembling the pump.
Dispenser door hits a pan Likely cause: Oversized item in the lid's swing path. Homeowner action: Move the item and keep the dispenser area open.
No wash sound and detergent remains dry Likely cause: No fill, interrupted cycle, latch fault, or circulation pump problem. Homeowner action: Check water supply and door status; stop if the machine leaks.
DIY difficulty: Low for checking the dispenser, loading, detergent condition, cycle selection, and accessible filter. Moderate for observing fill and wash sounds across one normal cycle. Dispenser-actuator, pump, inlet, heater, and control tests are professional work.
Estimated homeowner check time: 25 to 45 minutes plus one normal cycle.
Tools needed: Owner manual, dry hands, a fresh detergent pod, and a phone to photograph the dispenser before it is disturbed.
Safety risk: Use care around broken glass in the filter. Stop for leaks, burning odor, or repeated electrical faults.
When to call a professional: The clear dispenser stays shut, the tub remains dry, or detergent remains after a full cycle with normal loading.